Finding the Fourth Proportional to 9,132.35, 12,814.45 and 9,132.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132.35 : 12,814.45 = 9,132.35 : x
2. Step 2: Convert to fraction form
   9,132.35/12,814.45 = 9,132.35/x
3. Step 3: Cross multiply
   9,132.35x = 12,814.45 × 9,132.35
4. Step 4: Simplify right side
   9,132.35x = 117,026,042.46
5. Step 5: Solve for x
   x = 117,026,042.46/9,132.35
6. Step 6: Final answer
   x = 12,814.45